<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>我的网页</title>
</head>

<body>
  <button style="background-color: blueviolet; font-size: larger" onclick="alert('你最帅')">
    谁最帅

  </button>



</body>


</html>